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By Nancy Steinbach HEALTH REPORT -May 8, 2002: Hormone Replacement Questioned This is the VOA Special English Health Report. An international team of health experts says there is no scientific evidenc
健康与环境
歌词如下： Oh,the old gray mare, She ain't what she used to be, Ain't what she used to be, Ain't what she used to be, The old gray mare, She ain't what she used to be, Many long years ago. Many long years ago. Many long years ago. The old gray m
英语儿歌274首
Our studies had really convinced me that it were the later experiences of the child as the child was growing up bombarded with years and years of, em, symptoms from the parents that accounted for the
基因外遗传现象
Helper Serum Boosts Effectiveness of Flu Vaccine Vaccines against swine and avian flu can be made more effective by the addition of a helper serum known as an adjuvant. The finding from a new study could let vaccine makers stretch supplies and possib
VOA标准英语2011年(六月)
55 肯塔基州的母马不育症 DATE=6-7-01 TITLE=SCIENCE REPORT - Mare Reproductive Loss Syndrome BYLINE=George Grow (Start at 59
科技之光
Mare's nest: 子虚乌有 先来个汉语词汇小测试！请问：哪些成语能表达虚幻、不真实的事物？海市蜃楼？镜花水月？或者子虚乌有也能勉强入列您或许会问，这么晦涩的词会有相应的英文表达吗？
英语口语